#pragma once

#define YLT_MACRO_EXPAND(...) __VA_ARGS__

#ifdef _MSC_VER  // Microsoft compilers

#define __NARGS(                                                               \
    _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16,     \
    _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, \
    _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, \
    _47, _48, _49, _50, _51, _52, _53, _54, _55, _56, _57, _58, _59, _60, _61, \
    _62, _63, _64, _65, _66, _67, _68, _69, _70, _71, _72, _73, _74, _75, _76, \
    _77, _78, _79, _80, _81, _82, _83, _84, _85, _86, _87, _88, _89, _90, _91, \
    _92, _93, _94, _95, _96, _97, _98, _99, _100, _101, _102, _103, _104,      \
    _105, _106, _107, _108, _109, _110, _111, _112, _113, _114, _115, _116,    \
    _117, _118, _119, _120, _121, _122, _123, _124, _125, N, ...)              \
  N
#define NARGS_1(...)                                                           \
  YLT_MACRO_EXPAND(__NARGS(                                                    \
      __VA_ARGS__, 124, 123, 122, 121, 120, 119, 118, 117, 116, 115, 114, 113, \
      112, 111, 110, 109, 108, 107, 106, 105, 104, 103, 102, 101, 100, 99, 98, \
      97, 96, 95, 94, 93, 92, 91, 90, 89, 88, 87, 86, 85, 84, 83, 82, 81, 80,  \
      79, 78, 77, 76, 75, 74, 73, 72, 71, 70, 69, 68, 67, 66, 65, 64, 63, 62,  \
      61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, 48, 47, 46, 45, 44,  \
      43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, 29, 28, 27, 26,  \
      25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, \
      6, 5, 4, 3, 2, 1, 0))

#define AUGMENTER(...) unused, __VA_ARGS__
#define YLT_ARG_COUNT(...) NARGS_1(AUGMENTER(__VA_ARGS__))

#else  // Others

#define YLT_ARG_COUNT(...)                                                    \
  __NARGS(0, ##__VA_ARGS__, 124, 123, 122, 121, 120, 119, 118, 117, 116, 115, \
          114, 113, 112, 111, 110, 109, 108, 107, 106, 105, 104, 103, 102,    \
          101, 100, 99, 98, 97, 96, 95, 94, 93, 92, 91, 90, 89, 88, 87, 86,   \
          85, 84, 83, 82, 81, 80, 79, 78, 77, 76, 75, 74, 73, 72, 71, 70, 69, \
          68, 67, 66, 65, 64, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, \
          51, 50, 49, 48, 47, 46, 45, 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, \
          34, 33, 32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, \
          17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0)
#define __NARGS(                                                               \
    _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, \
    _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, \
    _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, \
    _47, _48, _49, _50, _51, _52, _53, _54, _55, _56, _57, _58, _59, _60, _61, \
    _62, _63, _64, _65, _66, _67, _68, _69, _70, _71, _72, _73, _74, _75, _76, \
    _77, _78, _79, _80, _81, _82, _83, _84, _85, _86, _87, _88, _89, _90, _91, \
    _92, _93, _94, _95, _96, _97, _98, _99, _100, _101, _102, _103, _104,      \
    _105, _106, _107, _108, _109, _110, _111, _112, _113, _114, _115, _116,    \
    _117, _118, _119, _120, _121, _122, _123, _124, N, ...)                    \
  N

#endif
